diff --git a/src/main/java/org/ntlab/citrusserver/entities/Account.java b/src/main/java/org/ntlab/citrusserver/entities/Account.java
index 7694b27..5e543da 100644
--- a/src/main/java/org/ntlab/citrusserver/entities/Account.java
+++ b/src/main/java/org/ntlab/citrusserver/entities/Account.java
@@ -1,4 +1,16 @@
 package org.ntlab.citrusserver.entities;
 
 public class Account {
+    String introduction;
+
+    int bookcount = 0;
+
+    public void setIntroduction(String i) {introduction = i;}
+    public String getIntroduction() {return introduction;}
+
+    public int getNewBookId() {
+        bookcount += 1;
+        return bookcount;
+    }
+    public int getBookCount() {return bookcount;}
 }